75136189768 has 32 divisors (see below), whose sum is σ = 141762519360. Its totient is φ = 37332975040.

The previous prime is 75136189763. The next prime is 75136189781. The reversal of 75136189768 is 86798163157.

It is not an unprimeable number, because it can be changed into a prime (75136189763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8186430 + ... + 8195602.

It is an arithmetic number, because the mean of its divisors is an integer number (4430078730).

Almost surely, 2^75136189768 is an apocalyptic number.

It is an amenable number.

75136189768 is a deficient number, since it is larger than the sum of its proper divisors (66626329592).

75136189768 is a wasteful number, since it uses less digits than its factorization.

75136189768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15477 (or 15473 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 61.

The spelling of 75136189768 in words is "seventy-five billion, one hundred thirty-six million, one hundred eighty-nine thousand, seven hundred sixty-eight".